2004 Audi A4 vs. 2009 BMW 135
To start off, 2009 BMW 135 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 2,979 cc (6 cylinders), 2009 BMW 135 is equipped with a bigger engine. In terms of performance, 2009 BMW 135 (301 HP @ 5800 RPM) has 131 more horse power than 2004 Audi A4. (170 HP @ 6500 RPM) In normal driving conditions, 2009 BMW 135 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 125 kg more than 2009 BMW 135.
Because 2009 BMW 135 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW 135. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 BMW 135 (407 Nm) has 172 more torque (in Nm) than 2004 Audi A4. (235 Nm). This means 2009 BMW 135 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2009 BMW 135 | |
| Make | Audi | BMW |
| Model | A4 | 135 |
| Year Released | 2004 | 2009 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1784 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 170 HP | 301 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 235 Nm | 407 Nm |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86 mm | 89.6 mm |
| Engine Compression Ratio | 9.3:1 | 12.0:1 |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1650 kg | 1525 kg |
| Vehicle Length | 4580 mm | 4370 mm |
| Vehicle Width | 1780 mm | 1750 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2580 mm | 2670 mm |
| Fuel Consumption | 7.8 L/100km | 9.1 L/100km |
| Fuel Consumption City | 10.2 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 9.1 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 53 L |
